From f3918c9bc9938d6412e0f79ea9201022567dcddc Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Mon, 20 Jul 2026 18:42:56 -0700
Subject: Clanker vertex light support

---
 3ner.cginc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to '3ner.cginc')

diff --git a/3ner.cginc b/3ner.cginc
index d7184a4..375aa87 100755
--- a/3ner.cginc
+++ b/3ner.cginc
@@ -324,6 +324,19 @@ float4 frag(v2f i, uint facing : SV_IsFrontFace
   BrdfData bd;
   float4 lit = brdf(i, pbr, light_data, bd);
 
+#if defined(VERTEXLIGHT_ON) && (defined(FORWARD_BASE_PASS) || defined(OUTLINES_PASS))
+  [loop]
+  for (uint light_index = 0; light_index < 4; ++light_index) {
+    [branch]
+    if (any(unity_LightColor[light_index].rgb > 0)) {
+      LightData vertex_light_data = light_data;
+      GetVertexLighting(i, pbr, light_index, vertex_light_data);
+      BrdfData vertex_bd;
+      lit.rgb += brdf(i, pbr, vertex_light_data, true, vertex_bd).rgb;
+    }
+  }
+#endif
+
   return apply_debug_view(i, pbr, light_data, bd, lit);
 }
 
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